Hide Navigation Hide TOC UNC6353 (5efaf215-0daa-4ce4-b672-d02c9429e34f) suspected Russian espionage group. Cluster A Galaxy A Cluster B Galaxy B Level UNC6353 (5efaf215-0daa-4ce4-b672-d02c9429e34f) Threat Actor Coruna (8420e351-be40-40c4-8d6a-84155830cb34) Exploit-Kit 1 Coruna (8420e351-be40-40c4-8d6a-84155830cb34) Exploit-Kit UNC6691 (989a795c-efed-4528-90c8-9807a49f84ce) Threat Actor 2